#!/bin/sh
# PCP QA Test No. 1601
# Exercise pmseries REST API endpoints using curl(1).
#
# Copyright (c) 2019-2020 Red Hat.
#

seq=`basename $0`
echo "QA output created by $seq"

# get standard environment, filters and checks
. ./common.product
. ./common.filter
. ./common.check

_check_series

_cleanup()
{
    cd $here
    [ -n "$pmproxy_pid" ] && $signal -s TERM $pmproxy_pid
    [ -n "$options" ] && redis-cli $options shutdown
    if $need_restore
    then
	need_restore=false
        _restore_config $PCP_SYSCONF_DIR/pmproxy
        _restore_config $PCP_SYSCONF_DIR/pmseries
    fi
    $sudo rm -rf $tmp $tmp.*
}

status=1	# failure is the default!
signal=$PCP_BINADM_DIR/pmsignal

userid=`id -u`
groupid=`id -g`
username=`id -u -n`
hostname=`hostname`
machineid=`_machine_id`
domainname=`_domain_name`

need_restore=false
$sudo rm -rf $tmp $tmp.* $seq.full
trap "_cleanup; exit \$status" 0 1 2 3 15

_filter_error()
{
    _webapi_response_filter
}

_filter_source()
{
    sed \
        -e "s,$here,PATH,g" \
        -e "s,$hostname,QAHOST,g" \
    #end
}

_filter_archive()
{
    pmjson | \
    sed \
        -e "s,bozo-laptop,QALOGHOST,g" \
    #end
}

# real QA test starts here
_save_config $PCP_SYSCONF_DIR/pmproxy
_save_config $PCP_SYSCONF_DIR/pmseries
$sudo rm -f $PCP_SYSCONF_DIR/pmseries/*
$sudo rm -f $PCP_SYSCONF_DIR/pmproxy/*
need_restore=true

echo "Start test Redis server ..."
redisport=`_find_free_port`
redis-server --port $redisport > $tmp.redis 2>&1 &
echo "PING"
pmsleep 0.125
options="-p $redisport"
redis-cli $options ping
echo

# import some well-known test data into Redis
pmseries $options --load "$here/archives/proc" | _filter_source

# start pmproxy 
proxyport=`_find_free_port`
proxyopts="-p $proxyport -r $redisport -t"  # -Dseries,http,af
pmproxy -f -U $username -x $seq.full -l $tmp.pmproxy.log $proxyopts &
pmproxy_pid=$!

# check pmproxy has started and is available for requests
pmcd_wait -h localhost@localhost:$proxyport -v -t 5sec

$PCP_PS_PROG $PCP_PS_ALL_FLAGS | grep pmproxy >> $seq.full
redis-cli $options keys pcp:* >> $seq.full
cat $tmp.pmproxy.log >> $seq.full

series1=`pmseries $options disk.all.read`
[ -z "$series1" ] && _fail "Cannot find any timeseries matching disk.all.read"
echo "Using series $series1 for disk.all.read"

series2=`pmseries $options disk.dev.read`
[ -z "$series2" ] && _fail "Cannot find any timeseries matching disk.dev.read"
echo "Using series $series2 for disk.dev.read"

series3=`pmseries $options kernel.all.uptime`
[ -z "$series3" ] && _fail "Cannot find any timeseries matching kernel.all.uptime"
echo "Using series $series3 for kernel.all.uptime"


echo "== verify series query" | tee -a $seq.full
url="http://localhost:$proxyport/series/query?expr=disk.all.read*"
echo "$url" >> $seq.full
curl --get --silent "$url" | tee -a $seq.full | pmjson
curl --get --silent "$url&client=pcp-qa-$seq" | tee -a $seq.full | pmjson

echo "== verify bad series query" | tee -a $seq.full
url="http://localhost:$proxyport/series/query?expr=(disk.all.re"
echo "$url" >> $seq.full
curl --get --silent "$url" | tee -a $seq.full | pmjson
curl --get --silent "$url&client=pcp-qa-$seq" | tee -a $seq.full | pmjson

echo "== verify missing series query" | tee -a $seq.full
url="http://localhost:$proxyport/series/query?expr="
echo "$url" >> $seq.full
curl --get --silent "$url" | tee -a $seq.full | _filter_error
curl --get --silent "$url&client=pcp-qa-$seq" | tee -a $seq.full | _filter_error

echo "== verify metric descs" | tee -a $seq.full
url="http://localhost:$proxyport/series/descs?series=$series1"
echo "$url" >> $seq.full
curl --get --silent "$url" | tee -a $seq.full | pmjson
curl --get --silent "$url&client=pcp-qa-$seq" | tee -a $seq.full | pmjson

echo "== verify metric names" | tee -a $seq.full
url="http://localhost:$proxyport/series/metrics?series=$series1"
echo "$url" >> $seq.full
curl --get --silent "$url" | tee -a $seq.full | pmjson
curl --get --silent "$url&client=pcp-qa-$seq" | tee -a $seq.full | pmjson

echo "== verify metric name match" | tee -a $seq.full
url="http://localhost:$proxyport/series/metrics?match=kernel.all.n*"
echo "$url" >> $seq.full
curl --get --silent "$url" | tee -a $seq.full | pmjson
curl --get --silent "$url&client=pcp-qa-$seq" | tee -a $seq.full | pmjson

echo "== verify metric insts" | tee -a $seq.full
url="http://localhost:$proxyport/series/instances?series=$series2"
echo "$url" >> $seq.full
curl --get --silent "$url" | tee -a $seq.full | pmjson
curl --get --silent "$url&client=pcp-qa-$seq" | tee -a $seq.full | pmjson

echo "== verify metric labels" | tee -a $seq.full
url="http://localhost:$proxyport/series/labels?series=$series3"
echo "$url" >> $seq.full
curl --get --silent "$url" | tee -a $seq.full | pmjson
curl --get --silent "$url&client=pcp-qa-$seq" | tee -a $seq.full | pmjson

echo "== verify all label names" | tee -a $seq.full
url="http://localhost:$proxyport/series/labels"
echo "$url" >> $seq.full
curl --get --silent "$url" | tee -a $seq.full | pmjson
curl --get --silent "$url&client=pcp-qa-$seq" | tee -a $seq.full | pmjson

echo "== verify all label values" | tee -a $seq.full
url="http://localhost:$proxyport/series/labels?names=hostname"
echo "$url" >> $seq.full
curl --get --silent "$url" | tee -a $seq.full | _filter_archive
curl --get --silent "$url&client=pcp-qa-$seq" | tee -a $seq.full | _filter_archive

echo "== verify metric values" | tee -a  $seq.full
url="http://localhost:$proxyport/series/values?series=$series2&samples=2"
echo "$url" >> $seq.full
curl --get --silent "$url" | tee -a $seq.full | pmjson
curl --get --silent "$url&client=pcp-qa-$seq" | tee -a $seq.full | pmjson

echo "== verify metric values by query" | tee -a  $seq.full
# URL encoding: [ == %5B, ] == %5D, : == %3A
url="http://localhost:$proxyport/series/query?expr=disk.dev.read%5Bsamples%3A2%5D"
echo "$url" >> $seq.full
curl --get --silent "$url" | tee -a $seq.full | pmjson
curl --get --silent "$url&client=pcp-qa-$seq" | tee -a $seq.full | pmjson

echo "== verify ping response" | tee -a  $seq.full
url="http://localhost:$proxyport/series/ping"
echo "$url" >> $seq.full
curl --get --silent "$url" | tee -a $seq.full | pmjson
curl --get --silent "$url?client=pcp-qa-$seq" | tee -a $seq.full | pmjson

echo "== all done" | tee -a $seq.full
status=0
exit
